1. |
Which of the following are true about the PCTFREE parameter? Please select all the correct answers.
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A. |
PCTFREE reserves space on the data blocks for row expansion. |
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B. |
Too small a value for PCTFREE may result in chained rows, causing excessive I/O.
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C.
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PCTFREE is used to trigger a freelist re-link operation of the data block.
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D.
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The PCTFREE parameter only applies to table that may have column values expanded with UPDATE SQL.
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